1983 05  19.04   4.50  11.77 
1983 06  21.53   9.59  15.56 
1983 07  24.12  10.93  17.52 
1983 08  28.08  12.70  20.39 
1983 09  16.61   3.39  10.00 
1983 10  14.02  -0.07   6.97 
1983 11   2.52  -4.81  -1.14 
1983 12 -13.81 -23.06 -18.43 
1984 01   0.18 -99.99 -99.99 
1984 02   6.38 -99.99 -99.99 
1984 03 -99.99  -7.40 -99.99 
1984 04  13.18   -.38   6.40 
1984 05  17.04   3.57  10.31 
1984 06  20.94   8.62  14.78 
1984 07  25.79  10.89  18.34 
1984 08  26.50  11.53  19.01 
1984 09 -99.99   4.46 -99.99 
1984 10   7.30  -2.28   2.51 
1984 11  -2.02 -99.99 -99.99 
1984 12  -9.14 -20.96 -15.05 
1985 01  -3.53 -12.84  -8.18 
1985 02  -4.80 -15.06  -9.93 
1985 03   3.95  -5.70   -.87 
1985 05  20.12   5.91  13.02 
1985 06  21.68   6.68  14.18 
1985 07  27.07  11.54  19.30 
1985 08  21.97   8.77  15.37 
1985 09  12.15   2.34   7.25 
1985 10  11.16   -.23   5.46 
1985 11  -7.88 -17.08 -12.48 
1985 12   0.66  -8.92  -4.13 
1986 01   3.42  -6.27  -1.42 
1986 02  -4.50 -15.67 -10.08 
1986 03   8.68  -2.87   2.90 
1986 04  11.48  -1.93   4.77 
1986 05  18.45   6.02  12.23 
1986 06  22.67   9.92  16.29 
1986 08  25.22  10.50  17.86 
1986 09  12.40   3.93   8.16 
1986 10  14.24   2.95   8.59 
1986 11   0.19 -11.50  -5.65 
1986 12   2.81  -6.53  -1.86 
1987 01   4.19  -7.29  -1.55 
1987 02   3.95  -6.55  -1.30 
1987 03   2.85  -6.64  -1.89 
1987 04  16.56   2.31   9.43 
1987 05  20.68   5.45  13.06 
1987 06  25.26  10.85  18.05 
1987 07  24.07  11.20  17.63 
1987 08  19.52   7.43  13.47 
1987 09  22.20   7.17  14.68 
1987 11   6.35  -3.88   1.23 
1987 12   2.00  -7.75  -2.87 
1988 01  -4.48 -15.85 -10.16 
1988 02   0.36 -13.02  -6.33 
1988 03   7.10  -4.87   1.11 
1988 04  14.63   0.02   7.32 
1988 05  21.90   6.32  14.11 
1988 06  24.62  10.52  17.57 
1988 07  25.19  10.45  17.82 
1988 08  21.92   9.39  15.66 
1988 09  18.04   5.23  11.64 
1988 11   4.38 -99.99 -99.99 
1988 12   0.22 -10.57  -5.17 
1989 02  -6.75 -18.39 -12.57 
1989 03  -3.38 -99.99 -99.99 
1989 04  12.17  -1.74   5.21 
1989 05  18.27   3.55  10.91 
1989 06  22.95   8.28  15.61 
1989 07  26.59  10.81  18.70 
1989 08  23.48  10.18  16.83 
1989 09  18.31   4.86  11.58 
1989 10  13.93   0.31   7.12 
1989 12 -99.99 -11.19 -99.99 
1990 02 -99.99 -13.48 -99.99 
1990 06 -99.99   7.80 -99.99 
1991 01  -4.82 -16.29 -10.55 
1991 02   4.86  -5.11   -.12 
